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Optical properties of GaN Photonic Crystal Membrane Nanocavities at Blue Wavelengths

Published online by Cambridge University Press:  01 February 2011

Yong-Seok Choi ,
Cedrik Meier ,
Rajat Sharma ,
Kevin Hennessy ,
Elaine D. Haberer ,
Shuji Nakamura  and
Evelyn L. Hu
Yong-Seok Choi
Affiliation:
[email protected], University of California, Santa Barbara, California NanoSystems Institute, California NanoSystems Institute, 4670 Physical Sciences Building-North, UCSB, Santa Barbara, CA, 93106-6105, United States, (805) 893-4875, (805) 893-6132
Cedrik Meier
Affiliation:
[email protected], United States
Rajat Sharma
Affiliation:
[email protected]
Kevin Hennessy
Affiliation:
[email protected]
Elaine D. Haberer
Affiliation:
[email protected]
Shuji Nakamura
Affiliation:
[email protected]
Evelyn L. Hu
Affiliation:
[email protected]
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Abstract

We have investigated the design parameters for high-Q photonic-crystal (PC) bandgap modes in the emission wavelengths of InGaN/GaN multiple quantum wells. We demonstrate experimental schemes to realize 2D triangular-lattice PC membrane structures, which is essential to obtain photonic bandgap (PBG) modes, and the optical properties of L7 membrane nanocavities that consist of seven missing holes in the Γ-K direction. L7 cavities show pronounced resonances with Q factors of 300 to 800 in the PBG as well as the enhancement of light extraction of the broad InGaN/GaN multiple-quantum-well emission by the 2D PBG.

Keywords

optical propertiesnanostructurenitride
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 892 , 2005 , 0892-FF20-06
Copyright
Copyright © Materials Research Society 2006

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References

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